MHT-CET PCM 04 — MHT - CET STD 12 Science — Question

______ is the sequence of nucleotides that can be read the same in forward and reverse direction.

In an a.c. circuit containing L, C, R is series, the ratio of true power to apparent power is (Z = impedance of the circuit, R = resistance, `phi` = phase difference between the r.m.s. values of current and e.m.f.) ____________.

______ is an agranulocyte.

Identify the CORRECT statements.

(I) Aniline reacts with bromine water at room temperature to give o-bromoaniline.

(II) Aniline undergoes Friedel Craft's reaction using aluminium chloride.

(III) Direct nitration of aniline yields, a mixture of ortho, meta and para nitro aniline.

(IV) Amino group is ortho and para directing and powerful ring activating group.

In amplitude modulation,

Polar bears undergo ____________ during winter.

Identify the female gametophyte in angiosperms.

If the net magnetic force acting on a loop is zero then ____________.